Hi, Ok, another, easier, choice would be to use event code 0 (and umaks 0x1 for instance). I doubt that one will ever be used.
On Fri, Feb 4, 2011 at 2:19 PM, Stephane Eranian <eran...@google.com> wrote: > On Fri, Feb 4, 2011 at 2:12 PM, Peter Zijlstra <pet...@infradead.org> wrote: >> On Fri, 2011-02-04 at 14:00 +0200, Stephane Eranian wrote: >> >>> This series of patches solves this problem by introducing a custom >>> encoding for UNHALTED_REFERENCE_CYCLES (0xff3c) and improving >>> the constraint infrastructure to handle events which can ONLY be >>> measured on fixed counters. >> >> Right, so the only problem I can see with this is that Intel will at >> some point in the future put an actual event there. >> > I doubt that but I will check with them. > > The alternative I thought about would be to use a bit in the upper 32 > bit section > of attr.config and use the constraint->cmask to catch it. That would > be a special > cmask. That would probably work because ALL events have to go through > get_constraints(). > ------------------------------------------------------------------------------ The modern datacenter depends on network connectivity to access resources and provide services. The best practices for maximizing a physical server's connectivity to a physical network are well understood - see how these rules translate into the virtual world? http://p.sf.net/sfu/oracle-sfdevnlfb _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
